FILE - This Feb. 23, 2011, file photo shows Minnesota Twins infielder Jim Thome warming up during spring training baseball workout at the Hammond Stadium complex in Fort Myers, Fla. Thome's back still aches in the morning, just as it has for the past 10 years or so. The older he gets, the more the Minnesota Twins slugger has to do to get those discs and muscles warmed up and ready for another day on the diamond.(AP Photo/Dave Martin, File)
Baltimore Orioles' Vladimir Guerrero, right, rounds third past Minnesota Twins third baseman Luke Hughes after hitting a solo-homer in the fifth inning a spring training baseball game in Sarasota, Fla., Wednesday, March 9, 2011. (AP Photo/Gene J. Puskar)
Minnesota Twins starter Francisco Liriano delivers against the Baltimore Orioles during the second inning of a spring training baseball game in Fort Myers, Fla., Wednesday, March 23, 2011. (AP Photo/Charles Krupa)
Boston Red Sox pitcher Josh Beckett holds his head as he is led from the field after being hit by a ball during batting practice prior to the Red Sox's spring training baseball game against the Minnesota Twins at City of Palms Park in Fort Myers, Fla., Monday, Feb. 28, 2011. Beckett has mild concussion symptoms, according to the team. (AP Photo/Brita Meng Outzen)
In this photo taken Wednesday, Feb. 23, 2011, Minnesota Twins infielder Tsuyoshi Nishioka throws during the first full squad spring training baseball workout at the Hammond Stadium complex in Fort Myers, Fla. (AP Photo/Dave Martin)
In this photo taken Wednesday, Feb. 23, 2011, Minnesota Twins infielders Alexi Casilla, front, and Tsuyoshi Nishioka take infield during the first full squad spring training baseball workout at the Hammond Stadium complex in Fort Myers, Fla., Wednesday, Feb. 23, 2011. The two are working together this spring to try to figure out a way to communicate on the field, when Nishioka will not have the help of an interpreter nearby. (AP Photo/Dave Martin)
Minnesota Twins manager Ron Gardenhire, rear, watches as infielder Tsuyoshi Nishioka, of Japan, works on the infield during the first full squad spring training baseball workout at the Hammond Stadium complex in Fort Myers, Fla., Wednesday, Feb. 23, 2011. (AP Photo/Dave Martin)
FILE- In this July 31, 2010, file photo, the center field sign Target Field featuring the Minnie and Paul logo looms over the field during a baseball game between the Minnesota Twins and the Seattle Mariners in Minneapolis. The Twins said they will take down the pine trees behind center field wall after hitters complained they made it difficult for them to pick up the ball out of the pitcher's hand. (AP Photo/Paul Battaglia, File)
FILE - This Sept. 6, 2010, file photo shows Minnesota Twins' Jim Thome watching his solo home run off Kansas City Royals starting pitcher Sean O'Sullivan during the fifth inning of a baseball game, in Minneapolis. Thome and the Twins have agreed to a $3 million, one-year contract. The deal, announced Friday, Jan. 14, 2011, by the Twins, includes performance bonuses for plate appearances. (AP Photo/Paul Battaglia, File)
